opencl_kernels_video.cpp 52.5 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603
// This file is auto-generated. Do not edit!

#include "opencv2/core.hpp"
#include "cvconfig.h"
#include "opencl_kernels_video.hpp"

#ifdef HAVE_OPENCL

namespace cv
{
namespace ocl
{
namespace video
{

static const char* const moduleName = "video";

struct cv::ocl::internal::ProgramEntry bgfg_knn_oclsrc={moduleName, "bgfg_knn",
"#if CN==1\n"
"#define T_MEAN float\n"
"#define F_ZERO (0.0f)\n"
"#define frameToMean(a, b) (b) = *(a);\n"
"#define meanToFrame(a, b) *b = convert_uchar_sat(a);\n"
"#else\n"
"#define T_MEAN float4\n"
"#define F_ZERO (0.0f, 0.0f, 0.0f, 0.0f)\n"
"#define meanToFrame(a, b)\\\n"
"b[0] = convert_uchar_sat(a.x); \\\n"
"b[1] = convert_uchar_sat(a.y); \\\n"
"b[2] = convert_uchar_sat(a.z);\n"
"#define frameToMean(a, b)\\\n"
"b.x = a[0]; \\\n"
"b.y = a[1]; \\\n"
"b.z = a[2]; \\\n"
"b.w = 0.0f;\n"
"#endif\n"
"__kernel void knn_kernel(__global const uchar* frame, int frame_step, int frame_offset, int frame_row, int frame_col,\n"
"__global const uchar* nNextLongUpdate,\n"
"__global const uchar* nNextMidUpdate,\n"
"__global const uchar* nNextShortUpdate,\n"
"__global uchar* aModelIndexLong,\n"
"__global uchar* aModelIndexMid,\n"
"__global uchar* aModelIndexShort,\n"
"__global uchar* flag,\n"
"__global uchar* sample,\n"
"__global uchar* fgmask, int fgmask_step, int fgmask_offset,\n"
"int nLongCounter, int nMidCounter, int nShortCounter,\n"
"float c_Tb, int c_nkNN, float c_tau\n"
"#ifdef SHADOW_DETECT\n"
", uchar c_shadowVal\n"
"#endif\n"
")\n"
"{\n"
"int x = get_global_id(0);\n"
"int y = get_global_id(1);\n"
"if( x < frame_col && y < frame_row)\n"
"{\n"
"__global const uchar* _frame = (frame + mad24(y, frame_step, mad24(x, CN, frame_offset)));\n"
"T_MEAN pix;\n"
"frameToMean(_frame, pix);\n"
"uchar foreground = 255;\n"
"int Pbf = 0;\n"
"int Pb = 0;\n"
"uchar include = 0;\n"
"int pt_idx =  mad24(y, frame_col, x);\n"
"int idx_step = frame_row * frame_col;\n"
"__global T_MEAN* _sample = (__global T_MEAN*)(sample);\n"
"for (uchar n = 0; n < (NSAMPLES) * 3 ; ++n)\n"
"{\n"
"int n_idx = mad24(n, idx_step, pt_idx);\n"
"T_MEAN c_mean = _sample[n_idx];\n"
"uchar c_flag = flag[n_idx];\n"
"T_MEAN diff = c_mean - pix;\n"
"float dist2 = dot(diff, diff);\n"
"if (dist2 < c_Tb)\n"
"{\n"
"Pbf++;\n"
"if (c_flag)\n"
"{\n"
"Pb++;\n"
"if (Pb >= c_nkNN)\n"
"{\n"
"include = 1;\n"
"foreground = 0;\n"
"break;\n"
"}\n"
"}\n"
"}\n"
"}\n"
"if (Pbf >= c_nkNN)\n"
"{\n"
"include = 1;\n"
"}\n"
"#ifdef SHADOW_DETECT\n"
"if (foreground)\n"
"{\n"
"int Ps = 0;\n"
"for (uchar n = 0; n < (NSAMPLES) * 3 ; ++n)\n"
"{\n"
"int n_idx = mad24(n, idx_step, pt_idx);\n"
"uchar c_flag = flag[n_idx];\n"
"if (c_flag)\n"
"{\n"
"T_MEAN c_mean = _sample[n_idx];\n"
"float numerator = dot(pix, c_mean);\n"
"float denominator = dot(c_mean, c_mean);\n"
"if (denominator == 0)\n"
"break;\n"
"if (numerator <= denominator && numerator >= c_tau * denominator)\n"
"{\n"
"float a = numerator / denominator;\n"
"T_MEAN dD = mad(a, c_mean, -pix);\n"
"if (dot(dD, dD) < c_Tb * a * a)\n"
"{\n"
"Ps++;\n"
"if (Ps >= c_nkNN)\n"
"{\n"
"foreground = c_shadowVal;\n"
"break;\n"
"}\n"
"}\n"
"}\n"
"}\n"
"}\n"
"}\n"
"#endif\n"
"__global uchar* _fgmask = fgmask + mad24(y, fgmask_step, x + fgmask_offset);\n"
"*_fgmask = (uchar)foreground;\n"
"__global const uchar* _nNextLongUpdate = nNextLongUpdate + pt_idx;\n"
"__global const uchar* _nNextMidUpdate = nNextMidUpdate + pt_idx;\n"
"__global const uchar* _nNextShortUpdate = nNextShortUpdate + pt_idx;\n"
"__global uchar* _aModelIndexLong = aModelIndexLong + pt_idx;\n"
"__global uchar* _aModelIndexMid = aModelIndexMid + pt_idx;\n"
"__global uchar* _aModelIndexShort = aModelIndexShort + pt_idx;\n"
"uchar nextLongUpdate = _nNextLongUpdate[0];\n"
"uchar nextMidUpdate = _nNextMidUpdate[0];\n"
"uchar nextShortUpdate = _nNextShortUpdate[0];\n"
"uchar modelIndexLong = _aModelIndexLong[0];\n"
"uchar modelIndexMid = _aModelIndexMid[0];\n"
"uchar modelIndexShort = _aModelIndexShort[0];\n"
"int offsetLong = mad24(mad24(2, (NSAMPLES), modelIndexLong), idx_step, pt_idx);\n"
"int offsetMid = mad24((NSAMPLES)+modelIndexMid, idx_step, pt_idx);\n"
"int offsetShort = mad24(modelIndexShort, idx_step, pt_idx);\n"
"if (nextLongUpdate == nLongCounter)\n"
"{\n"
"_sample[offsetLong] = _sample[offsetMid];\n"
"flag[offsetLong] = flag[offsetMid];\n"
"_aModelIndexLong[0] = (modelIndexLong >= ((NSAMPLES)-1)) ? 0 : (modelIndexLong + 1);\n"
"}\n"
"if (nextMidUpdate == nMidCounter)\n"
"{\n"
"_sample[offsetMid] = _sample[offsetShort];\n"
"flag[offsetMid] = flag[offsetShort];\n"
"_aModelIndexMid[0] = (modelIndexMid >= ((NSAMPLES)-1)) ? 0 : (modelIndexMid + 1);\n"
"}\n"
"if (nextShortUpdate == nShortCounter)\n"
"{\n"
"_sample[offsetShort] = pix;\n"
"flag[offsetShort] = include;\n"
"_aModelIndexShort[0] = (modelIndexShort >= ((NSAMPLES)-1)) ? 0 : (modelIndexShort + 1);\n"
"}\n"
"}\n"
"}\n"
"__kernel void getBackgroundImage2_kernel(__global const uchar* flag,\n"
"__global const uchar* sample,\n"
"__global uchar* dst, int dst_step, int dst_offset, int dst_row, int dst_col)\n"
"{\n"
"int x = get_global_id(0);\n"
"int y = get_global_id(1);\n"
"if(x < dst_col && y < dst_row)\n"
"{\n"
"int pt_idx =  mad24(y, dst_col, x);\n"
"T_MEAN meanVal = (T_MEAN)F_ZERO;\n"
"__global T_MEAN* _sample = (__global T_MEAN*)(sample);\n"
"int idx_step = dst_row * dst_col;\n"
"for (uchar n = 0; n < (NSAMPLES) * 3 ; ++n)\n"
"{\n"
"int n_idx = mad24(n, idx_step, pt_idx);\n"
"uchar c_flag = flag[n_idx];\n"
"if(c_flag)\n"
"{\n"
"meanVal = _sample[n_idx];\n"
"break;\n"
"}\n"
"}\n"
"__global uchar* _dst = dst + mad24(y, dst_step, mad24(x, CN, dst_offset));\n"
"meanToFrame(meanVal, _dst);\n"
"}\n"
"}\n"
, "a192721ae727b25afde8d854a0679ee4", NULL};
struct cv::ocl::internal::ProgramEntry bgfg_mog2_oclsrc={moduleName, "bgfg_mog2",
"#if CN==1\n"
"#define T_MEAN float\n"
"#define F_ZERO (0.0f)\n"
"#define cnMode 1\n"
"#define frameToMean(a, b) (b) = *(a);\n"
"#if FL==0\n"
"#define meanToFrame(a, b) *b = convert_uchar_sat(a);\n"
"#else\n"
"#define meanToFrame(a, b) *b = (float)a;\n"
"#endif\n"
"#else\n"
"#define T_MEAN float4\n"
"#define F_ZERO (0.0f, 0.0f, 0.0f, 0.0f)\n"
"#define cnMode 4\n"
"#if FL == 0\n"
"#define meanToFrame(a, b)\\\n"
"b[0] = convert_uchar_sat(a.x); \\\n"
"b[1] = convert_uchar_sat(a.y); \\\n"
"b[2] = convert_uchar_sat(a.z);\n"
"#else\n"
"#define meanToFrame(a, b)\\\n"
"b[0] = a.x; \\\n"
"b[1] = a.y; \\\n"
"b[2] = a.z;\n"
"#endif\n"
"#define frameToMean(a, b)\\\n"
"b.x = a[0]; \\\n"
"b.y = a[1]; \\\n"
"b.z = a[2]; \\\n"
"b.w = 0.0f;\n"
"#endif\n"
"__kernel void mog2_kernel(__global const uchar* frame, int frame_step, int frame_offset, int frame_row, int frame_col,\n"
"__global uchar* modesUsed,\n"
"__global uchar* weight,\n"
"__global uchar* mean,\n"
"__global uchar* variance,\n"
"__global uchar* fgmask, int fgmask_step, int fgmask_offset,\n"
"float alphaT, float alpha1, float prune,\n"
"float c_Tb, float c_TB, float c_Tg, float c_varMin,\n"
"float c_varMax, float c_varInit, float c_tau\n"
"#ifdef SHADOW_DETECT\n"
", uchar c_shadowVal\n"
"#endif\n"
")\n"
"{\n"
"int x = get_global_id(0);\n"
"int y = get_global_id(1);\n"
"if( x < frame_col && y < frame_row)\n"
"{\n"
"#if FL==0\n"
"__global const uchar* _frame = (frame + mad24(y, frame_step, mad24(x, CN, frame_offset)));\n"
"#else\n"
"__global const float* _frame = ((__global const float*)( frame + mad24(y, frame_step, frame_offset)) + mad24(x, CN, 0));\n"
"#endif\n"
"T_MEAN pix;\n"
"frameToMean(_frame, pix);\n"
"uchar foreground = 255;\n"
"bool fitsPDF = false;\n"
"int pt_idx =  mad24(y, frame_col, x);\n"
"int idx_step = frame_row * frame_col;\n"
"__global uchar* _modesUsed = modesUsed + pt_idx;\n"
"uchar nmodes = _modesUsed[0];\n"
"float totalWeight = 0.0f;\n"
"__global float* _weight = (__global float*)(weight);\n"
"__global float* _variance = (__global float*)(variance);\n"
"__global T_MEAN* _mean = (__global T_MEAN*)(mean);\n"
"uchar mode = 0;\n"
"for (; mode < nmodes; ++mode)\n"
"{\n"
"int mode_idx = mad24(mode, idx_step, pt_idx);\n"
"float c_weight = mad(alpha1, _weight[mode_idx], prune);\n"
"float c_var = _variance[mode_idx];\n"
"T_MEAN c_mean = _mean[mode_idx];\n"
"T_MEAN diff = c_mean - pix;\n"
"float dist2 = dot(diff, diff);\n"
"if (totalWeight < c_TB && dist2 < c_Tb * c_var)\n"
"foreground = 0;\n"
"if (dist2 < c_Tg * c_var)\n"
"{\n"
"fitsPDF = true;\n"
"c_weight += alphaT;\n"
"float k = alphaT / c_weight;\n"
"T_MEAN mean_new = mad((T_MEAN)-k, diff, c_mean);\n"
"float variance_new  = clamp(mad(k, (dist2 - c_var), c_var), c_varMin, c_varMax);\n"
"for (int i = mode; i > 0; --i)\n"
"{\n"
"int prev_idx = mode_idx - idx_step;\n"
"if (c_weight < _weight[prev_idx])\n"
"break;\n"
"_weight[mode_idx]   = _weight[prev_idx];\n"
"_variance[mode_idx] = _variance[prev_idx];\n"
"_mean[mode_idx]     = _mean[prev_idx];\n"
"mode_idx = prev_idx;\n"
"}\n"
"_mean[mode_idx]     = mean_new;\n"
"_variance[mode_idx] = variance_new;\n"
"_weight[mode_idx]   = c_weight;\n"
"totalWeight += c_weight;\n"
"mode ++;\n"
"break;\n"
"}\n"
"if (c_weight < -prune)\n"
"c_weight = 0.0f;\n"
"_weight[mode_idx] = c_weight;\n"
"totalWeight += c_weight;\n"
"}\n"
"for (; mode < nmodes; ++mode)\n"
"{\n"
"int mode_idx = mad24(mode, idx_step, pt_idx);\n"
"float c_weight = mad(alpha1, _weight[mode_idx], prune);\n"
"if (c_weight < -prune)\n"
"{\n"
"c_weight = 0.0f;\n"
"nmodes = mode;\n"
"break;\n"
"}\n"
"_weight[mode_idx] = c_weight;\n"
"totalWeight += c_weight;\n"
"}\n"
"if (0.f < totalWeight)\n"
"{\n"
"totalWeight = 1.f / totalWeight;\n"
"for (int mode = 0; mode < nmodes; ++mode)\n"
"_weight[mad24(mode, idx_step, pt_idx)] *= totalWeight;\n"
"}\n"
"if (!fitsPDF)\n"
"{\n"
"uchar mode = nmodes == (NMIXTURES) ? (NMIXTURES) - 1 : nmodes++;\n"
"int mode_idx = mad24(mode, idx_step, pt_idx);\n"
"if (nmodes == 1)\n"
"_weight[mode_idx] = 1.f;\n"
"else\n"
"{\n"
"_weight[mode_idx] = alphaT;\n"
"for (int i = pt_idx; i < mode_idx; i += idx_step)\n"
"_weight[i] *= alpha1;\n"
"}\n"
"for (int i = nmodes - 1; i > 0; --i)\n"
"{\n"
"int prev_idx = mode_idx - idx_step;\n"
"if (alphaT < _weight[prev_idx])\n"
"break;\n"
"_weight[mode_idx]   = _weight[prev_idx];\n"
"_variance[mode_idx] = _variance[prev_idx];\n"
"_mean[mode_idx]     = _mean[prev_idx];\n"
"mode_idx = prev_idx;\n"
"}\n"
"_mean[mode_idx] = pix;\n"
"_variance[mode_idx] = c_varInit;\n"
"}\n"
"_modesUsed[0] = nmodes;\n"
"#ifdef SHADOW_DETECT\n"
"if (foreground)\n"
"{\n"
"float tWeight = 0.0f;\n"
"for (uchar mode = 0; mode < nmodes; ++mode)\n"
"{\n"
"int mode_idx = mad24(mode, idx_step, pt_idx);\n"
"T_MEAN c_mean = _mean[mode_idx];\n"
"float numerator = dot(pix, c_mean);\n"
"float denominator = dot(c_mean, c_mean);\n"
"if (denominator == 0)\n"
"break;\n"
"if (numerator <= denominator && numerator >= c_tau * denominator)\n"
"{\n"
"float a = numerator / denominator;\n"
"T_MEAN dD = mad(a, c_mean, -pix);\n"
"if (dot(dD, dD) < c_Tb * _variance[mode_idx] * a * a)\n"
"{\n"
"foreground = c_shadowVal;\n"
"break;\n"
"}\n"
"}\n"
"tWeight += _weight[mode_idx];\n"
"if (tWeight > c_TB)\n"
"break;\n"
"}\n"
"}\n"
"#endif\n"
"__global uchar* _fgmask = fgmask + mad24(y, fgmask_step, x + fgmask_offset);\n"
"*_fgmask = (uchar)foreground;\n"
"}\n"
"}\n"
"__kernel void getBackgroundImage2_kernel(__global const uchar* modesUsed,\n"
"__global const uchar* weight,\n"
"__global const uchar* mean,\n"
"__global uchar* dst, int dst_step, int dst_offset, int dst_row, int dst_col,\n"
"float c_TB)\n"
"{\n"
"int x = get_global_id(0);\n"
"int y = get_global_id(1);\n"
"if(x < dst_col && y < dst_row)\n"
"{\n"
"int pt_idx =  mad24(y, dst_col, x);\n"
"__global const uchar* _modesUsed = modesUsed + pt_idx;\n"
"uchar nmodes = _modesUsed[0];\n"
"T_MEAN meanVal = (T_MEAN)F_ZERO;\n"
"float totalWeight = 0.0f;\n"
"__global const float* _weight = (__global const float*)weight;\n"
"__global const T_MEAN* _mean = (__global const T_MEAN*)(mean);\n"
"int idx_step = dst_row * dst_col;\n"
"for (uchar mode = 0; mode < nmodes; ++mode)\n"
"{\n"
"int mode_idx = mad24(mode, idx_step, pt_idx);\n"
"float c_weight = _weight[mode_idx];\n"
"T_MEAN c_mean = _mean[mode_idx];\n"
"meanVal = mad(c_weight, c_mean, meanVal);\n"
"totalWeight += c_weight;\n"
"if (totalWeight > c_TB)\n"
"break;\n"
"}\n"
"if (0.f < totalWeight)\n"
"meanVal = meanVal / totalWeight;\n"
"else\n"
"meanVal = (T_MEAN)(0.f);\n"
"#if FL==0\n"
"__global uchar* _dst = dst + mad24(y, dst_step, mad24(x, CN, dst_offset));\n"
"meanToFrame(meanVal, _dst);\n"
"#else\n"
"__global float* _dst = ((__global float*)( dst + mad24(y, dst_step, dst_offset)) + mad24(x, CN, 0));\n"
"meanToFrame(meanVal, _dst);\n"
"#endif\n"
"}\n"
"}\n"
, "39b7e7b52e8eb53029cf2337ae3d904f", NULL};
struct cv::ocl::internal::ProgramEntry dis_flow_oclsrc={moduleName, "dis_flow",
"#define EPS 0.001f\n"
"#define INF 1E+10F\n"
"#define DIS_PATCH_SIZE_HALF (DIS_PATCH_SIZE / 2)\n"
"#ifndef DIS_BORDER_SIZE\n"
"__kernel void dis_precomputeStructureTensor_hor(__global const short *I0x,\n"
"__global const short *I0y,\n"
"int w, int h, int ws,\n"
"__global float *I0xx_aux_ptr,\n"
"__global float *I0yy_aux_ptr,\n"
"__global float *I0xy_aux_ptr,\n"
"__global float *I0x_aux_ptr,\n"
"__global float *I0y_aux_ptr)\n"
"{\n"
"int i = get_global_id(0);\n"
"if (i >= h) return;\n"
"const __global short *x_row = I0x + i * w;\n"
"const __global short *y_row = I0y + i * w;\n"
"float sum_xx = 0.0f, sum_yy = 0.0f, sum_xy = 0.0f, sum_x = 0.0f, sum_y = 0.0f;\n"
"float8 x_vec = convert_float8(vload8(0, x_row));\n"
"float8 y_vec = convert_float8(vload8(0, y_row));\n"
"sum_xx = dot(x_vec.lo, x_vec.lo) + dot(x_vec.hi, x_vec.hi);\n"
"sum_yy = dot(y_vec.lo, y_vec.lo) + dot(y_vec.hi, y_vec.hi);\n"
"sum_xy = dot(x_vec.lo, y_vec.lo) + dot(x_vec.hi, y_vec.hi);\n"
"sum_x = dot(x_vec.lo, 1.0f) + dot(x_vec.hi, 1.0f);\n"
"sum_y = dot(y_vec.lo, 1.0f) + dot(y_vec.hi, 1.0f);\n"
"I0xx_aux_ptr[i * ws] = sum_xx;\n"
"I0yy_aux_ptr[i * ws] = sum_yy;\n"
"I0xy_aux_ptr[i * ws] = sum_xy;\n"
"I0x_aux_ptr[i * ws] = sum_x;\n"
"I0y_aux_ptr[i * ws] = sum_y;\n"
"int js = 1;\n"
"for (int j = DIS_PATCH_SIZE; j < w; j++)\n"
"{\n"
"short x_val1 = x_row[j];\n"
"short x_val2 = x_row[j - DIS_PATCH_SIZE];\n"
"short y_val1 = y_row[j];\n"
"short y_val2 = y_row[j - DIS_PATCH_SIZE];\n"
"sum_xx += (x_val1 * x_val1 - x_val2 * x_val2);\n"
"sum_yy += (y_val1 * y_val1 - y_val2 * y_val2);\n"
"sum_xy += (x_val1 * y_val1 - x_val2 * y_val2);\n"
"sum_x += (x_val1 - x_val2);\n"
"sum_y += (y_val1 - y_val2);\n"
"if ((j - DIS_PATCH_SIZE + 1) % DIS_PATCH_STRIDE == 0)\n"
"{\n"
"int index = i * ws + js;\n"
"I0xx_aux_ptr[index] = sum_xx;\n"
"I0yy_aux_ptr[index] = sum_yy;\n"
"I0xy_aux_ptr[index] = sum_xy;\n"
"I0x_aux_ptr[index] = sum_x;\n"
"I0y_aux_ptr[index] = sum_y;\n"
"js++;\n"
"}\n"
"}\n"
"}\n"
"__kernel void dis_precomputeStructureTensor_ver(__global const float *I0xx_aux_ptr,\n"
"__global const float *I0yy_aux_ptr,\n"
"__global const float *I0xy_aux_ptr,\n"
"__global const float *I0x_aux_ptr,\n"
"__global const float *I0y_aux_ptr,\n"
"int w, int h, int ws,\n"
"__global float *I0xx_ptr,\n"
"__global float *I0yy_ptr,\n"
"__global float *I0xy_ptr,\n"
"__global float *I0x_ptr,\n"
"__global float *I0y_ptr)\n"
"{\n"
"int j = get_global_id(0);\n"
"if (j >= ws) return;\n"
"float sum_xx, sum_yy, sum_xy, sum_x, sum_y;\n"
"sum_xx = sum_yy = sum_xy = sum_x = sum_y = 0.0f;\n"
"for (int i = 0; i < DIS_PATCH_SIZE; i++)\n"
"{\n"
"sum_xx += I0xx_aux_ptr[i * ws + j];\n"
"sum_yy += I0yy_aux_ptr[i * ws + j];\n"
"sum_xy += I0xy_aux_ptr[i * ws + j];\n"
"sum_x  += I0x_aux_ptr[i * ws + j];\n"
"sum_y  += I0y_aux_ptr[i * ws + j];\n"
"}\n"
"I0xx_ptr[j] = sum_xx;\n"
"I0yy_ptr[j] = sum_yy;\n"
"I0xy_ptr[j] = sum_xy;\n"
"I0x_ptr[j] = sum_x;\n"
"I0y_ptr[j] = sum_y;\n"
"int is = 1;\n"
"for (int i = DIS_PATCH_SIZE; i < h; i++)\n"
"{\n"
"sum_xx += (I0xx_aux_ptr[i * ws + j] - I0xx_aux_ptr[(i - DIS_PATCH_SIZE) * ws + j]);\n"
"sum_yy += (I0yy_aux_ptr[i * ws + j] - I0yy_aux_ptr[(i - DIS_PATCH_SIZE) * ws + j]);\n"
"sum_xy += (I0xy_aux_ptr[i * ws + j] - I0xy_aux_ptr[(i - DIS_PATCH_SIZE) * ws + j]);\n"
"sum_x  += (I0x_aux_ptr[i * ws + j] - I0x_aux_ptr[(i - DIS_PATCH_SIZE) * ws + j]);\n"
"sum_y  += (I0y_aux_ptr[i * ws + j] - I0y_aux_ptr[(i - DIS_PATCH_SIZE) * ws + j]);\n"
"if ((i - DIS_PATCH_SIZE + 1) % DIS_PATCH_STRIDE == 0)\n"
"{\n"
"I0xx_ptr[is * ws + j] = sum_xx;\n"
"I0yy_ptr[is * ws + j] = sum_yy;\n"
"I0xy_ptr[is * ws + j] = sum_xy;\n"
"I0x_ptr[is * ws + j] = sum_x;\n"
"I0y_ptr[is * ws + j] = sum_y;\n"
"is++;\n"
"}\n"
"}\n"
"}\n"
"__kernel void dis_densification(__global const float2 *S_ptr,\n"
"__global const uchar *i0, __global const uchar *i1,\n"
"int w, int h, int ws,\n"
"__global float2 *U_ptr)\n"
"{\n"
"int x = get_global_id(0);\n"
"int y = get_global_id(1);\n"
"int i, j;\n"
"if (x >= w || y >= h) return;\n"
"int start_is, end_is;\n"
"int start_js, end_js;\n"
"end_is = min(y / DIS_PATCH_STRIDE, (h - DIS_PATCH_SIZE) / DIS_PATCH_STRIDE);\n"
"start_is = max(0, y - DIS_PATCH_SIZE + DIS_PATCH_STRIDE) / DIS_PATCH_STRIDE;\n"
"start_is = min(start_is, end_is);\n"
"end_js = min(x / DIS_PATCH_STRIDE, (w - DIS_PATCH_SIZE) / DIS_PATCH_STRIDE);\n"
"start_js = max(0, x - DIS_PATCH_SIZE + DIS_PATCH_STRIDE) / DIS_PATCH_STRIDE;\n"
"start_js = min(start_js, end_js);\n"
"float sum_coef = 0.0f;\n"
"float2 sum_U = (float2)(0.0f, 0.0f);\n"
"int i_l, i_u;\n"
"int j_l, j_u;\n"
"float i_m, j_m, diff;\n"
"i = y;\n"
"j = x;\n"
"for (int is = start_is; is <= end_is; is++)\n"
"for (int js = start_js; js <= end_js; js++)\n"
"{\n"
"float2 s_val = S_ptr[is * ws + js];\n"
"uchar2 i1_vec1, i1_vec2;\n"
"j_m = min(max(j + s_val.x, 0.0f), w - 1.0f - EPS);\n"
"i_m = min(max(i + s_val.y, 0.0f), h - 1.0f - EPS);\n"
"j_l = (int)j_m;\n"
"j_u = j_l + 1;\n"
"i_l = (int)i_m;\n"
"i_u = i_l + 1;\n"
"i1_vec1 = vload2(0, i1 + i_u * w + j_l);\n"
"i1_vec2 = vload2(0, i1 + i_l * w + j_l);\n"
"diff = (j_m - j_l) * (i_m - i_l) * i1_vec1.y +\n"
"(j_u - j_m) * (i_m - i_l) * i1_vec1.x +\n"
"(j_m - j_l) * (i_u - i_m) * i1_vec2.y +\n"
"(j_u - j_m) * (i_u - i_m) * i1_vec2.x - i0[i * w + j];\n"
"float coef = 1.0f / max(1.0f, fabs(diff));\n"
"sum_U += coef * s_val;\n"
"sum_coef += coef;\n"
"}\n"
"float inv_sum_coef = 1.0 / sum_coef;\n"
"U_ptr[i * w + j] = sum_U * inv_sum_coef;\n"
"}\n"
"#else\n"
"#define INIT_BILINEAR_WEIGHTS(Ux, Uy) \\\n"
"i_I1 = clamp(i + Uy + DIS_BORDER_SIZE, i_lower_limit, i_upper_limit); \\\n"
"j_I1 = clamp(j + Ux + DIS_BORDER_SIZE, j_lower_limit, j_upper_limit); \\\n"
"{ \\\n"
"float di = i_I1 - floor(i_I1); \\\n"
"float dj = j_I1 - floor(j_I1); \\\n"
"w11 = di       * dj; \\\n"
"w10 = di       * (1 - dj); \\\n"
"w01 = (1 - di) * dj; \\\n"
"w00 = (1 - di) * (1 - dj); \\\n"
"}\n"
"float computeSSDMeanNorm(const __global uchar *I0_ptr, const __global uchar *I1_ptr,\n"
"int I0_stride, int I1_stride,\n"
"float w00, float w01, float w10, float w11, int i\n"
"#ifndef CV_USE_SUBGROUPS\n"
", __local float2 *smem \n"
"#endif\n"
")\n"
"{\n"
"float sum_diff = 0.0f, sum_diff_sq = 0.0f;\n"
"int n = DIS_PATCH_SIZE * DIS_PATCH_SIZE;\n"
"uchar8 I1_vec1, I1_vec2, I0_vec;\n"
"uchar I1_val1, I1_val2;\n"
"I0_vec  = vload8(0, I0_ptr + i * I0_stride);\n"
"I1_vec1 = vload8(0, I1_ptr + i * I1_stride);\n"
"I1_vec2 = vload8(0, I1_ptr + (i + 1) * I1_stride);\n"
"I1_val1 = I1_ptr[i * I1_stride + 8];\n"
"I1_val2 = I1_ptr[(i + 1) * I1_stride + 8];\n"
"float8 vec = w00 * convert_float8(I1_vec1) + w01 * convert_float8((uchar8)(I1_vec1.s123, I1_vec1.s4567, I1_val1)) +\n"
"w10 * convert_float8(I1_vec2) + w11 * convert_float8((uchar8)(I1_vec2.s123, I1_vec2.s4567, I1_val2)) -\n"
"convert_float8(I0_vec);\n"
"sum_diff = (dot(vec.lo, 1.0) + dot(vec.hi, 1.0));\n"
"sum_diff_sq = (dot(vec.lo, vec.lo) + dot(vec.hi, vec.hi));\n"
"#ifdef CV_USE_SUBGROUPS\n"
"sum_diff = sub_group_reduce_add(sum_diff);\n"
"sum_diff_sq = sub_group_reduce_add(sum_diff_sq);\n"
"#else\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"smem[i] = (float2)(sum_diff, sum_diff_sq);\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (i < 4)\n"
"smem[i] += smem[i + 4];\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (i < 2)\n"
"smem[i] += smem[i + 2];\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (i == 0)\n"
"smem[0] += smem[1];\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"float2 reduce_add_result = smem[0];\n"
"sum_diff = reduce_add_result.x;\n"
"sum_diff_sq = reduce_add_result.y;\n"
"#endif\n"
"return sum_diff_sq - sum_diff * sum_diff / n;\n"
"}\n"
"__attribute__((reqd_work_group_size(8, 1, 1)))\n"
"__kernel void dis_patch_inverse_search_fwd_1(__global const float2 *U_ptr,\n"
"__global const uchar *I0_ptr, __global const uchar *I1_ptr,\n"
"int w, int h, int ws, int hs,\n"
"__global float2 *S_ptr)\n"
"{\n"
"int id = get_global_id(0);\n"
"int is = get_group_id(0);\n"
"int i = is * DIS_PATCH_STRIDE;\n"
"int j = 0;\n"
"int w_ext = w + 2 * DIS_BORDER_SIZE;\n"
"float i_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"float i_upper_limit = DIS_BORDER_SIZE + h - 1.0f;\n"
"float j_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"float j_upper_limit = DIS_BORDER_SIZE + w - 1.0f;\n"
"float2 prev_U = U_ptr[(i + DIS_PATCH_SIZE_HALF) * w + j + DIS_PATCH_SIZE_HALF];\n"
"S_ptr[is * ws] = prev_U;\n"
"j += DIS_PATCH_STRIDE;\n"
"#ifdef CV_USE_SUBGROUPS\n"
"int sid = get_sub_group_local_id();\n"
"#define EXTRA_ARGS_computeSSDMeanNorm sid\n"
"#else\n"
"__local float2 smem[8];\n"
"int sid = get_local_id(0);\n"
"#define EXTRA_ARGS_computeSSDMeanNorm sid, smem\n"
"#endif\n"
"for (int js = 1; js < ws; js++, j += DIS_PATCH_STRIDE)\n"
"{\n"
"float2 U = U_ptr[(i + DIS_PATCH_SIZE_HALF) * w + j + DIS_PATCH_SIZE_HALF];\n"
"float i_I1, j_I1, w00, w01, w10, w11;\n"
"INIT_BILINEAR_WEIGHTS(U.x, U.y);\n"
"float min_SSD = computeSSDMeanNorm(\n"
"I0_ptr + i * w + j, I1_ptr + (int)i_I1 * w_ext + (int)j_I1,\n"
"w, w_ext, w00, w01, w10, w11, EXTRA_ARGS_computeSSDMeanNorm);\n"
"INIT_BILINEAR_WEIGHTS(prev_U.x, prev_U.y);\n"
"float cur_SSD = computeSSDMeanNorm(\n"
"I0_ptr + i * w + j, I1_ptr + (int)i_I1 * w_ext + (int)j_I1,\n"
"w, w_ext, w00, w01, w10, w11, EXTRA_ARGS_computeSSDMeanNorm);\n"
"prev_U = (cur_SSD < min_SSD) ? prev_U : U;\n"
"S_ptr[is * ws + js] = prev_U;\n"
"}\n"
"#undef EXTRA_ARGS_computeSSDMeanNorm\n"
"}\n"
"#endif\n"
"float4 processPatchMeanNorm(const __global uchar *I0_ptr, const __global uchar *I1_ptr,\n"
"const __global short *I0x_ptr, const __global short *I0y_ptr,\n"
"int I0_stride, int I1_stride, float w00, float w01, float w10,\n"
"float w11, float x_grad_sum, float y_grad_sum)\n"
"{\n"
"const float inv_n = 1.0f / (float)(DIS_PATCH_SIZE * DIS_PATCH_SIZE);\n"
"float sum_diff = 0.0, sum_diff_sq = 0.0;\n"
"float sum_I0x_mul = 0.0, sum_I0y_mul = 0.0;\n"
"uchar8 I1_vec1;\n"
"uchar8 I1_vec2 = vload8(0, I1_ptr);\n"
"uchar I1_val1;\n"
"uchar I1_val2 = I1_ptr[DIS_PATCH_SIZE];\n"
"for (int i = 0; i < 8; i++)\n"
"{\n"
"uchar8 I0_vec = vload8(0, I0_ptr + i * I0_stride);\n"
"I1_vec1 = I1_vec2;\n"
"I1_vec2 = vload8(0, I1_ptr + (i + 1) * I1_stride);\n"
"I1_val1 = I1_val2;\n"
"I1_val2 = I1_ptr[(i + 1) * I1_stride + DIS_PATCH_SIZE];\n"
"float8 vec = w00 * convert_float8(I1_vec1) + w01 * convert_float8((uchar8)(I1_vec1.s123, I1_vec1.s4567, I1_val1)) +\n"
"w10 * convert_float8(I1_vec2) + w11 * convert_float8((uchar8)(I1_vec2.s123, I1_vec2.s4567, I1_val2)) -\n"
"convert_float8(I0_vec);\n"
"sum_diff += (dot(vec.lo, 1.0) + dot(vec.hi, 1.0));\n"
"sum_diff_sq += (dot(vec.lo, vec.lo) + dot(vec.hi, vec.hi));\n"
"short8 I0x_vec = vload8(0, I0x_ptr + i * I0_stride);\n"
"short8 I0y_vec = vload8(0, I0y_ptr + i * I0_stride);\n"
"sum_I0x_mul += dot(vec.lo, convert_float4(I0x_vec.lo));\n"
"sum_I0x_mul += dot(vec.hi, convert_float4(I0x_vec.hi));\n"
"sum_I0y_mul += dot(vec.lo, convert_float4(I0y_vec.lo));\n"
"sum_I0y_mul += dot(vec.hi, convert_float4(I0y_vec.hi));\n"
"}\n"
"float dst_dUx = sum_I0x_mul - sum_diff * x_grad_sum * inv_n;\n"
"float dst_dUy = sum_I0y_mul - sum_diff * y_grad_sum * inv_n;\n"
"float SSD = sum_diff_sq - sum_diff * sum_diff * inv_n;\n"
"return (float4)(SSD, dst_dUx, dst_dUy, 0);\n"
"}\n"
"#ifdef DIS_BORDER_SIZE\n"
"__kernel void dis_patch_inverse_search_fwd_2(__global const float2 *U_ptr,\n"
"__global const uchar *I0_ptr, __global const uchar *I1_ptr,\n"
"__global const short *I0x_ptr, __global const short *I0y_ptr,\n"
"__global const float *xx_ptr, __global const float *yy_ptr,\n"
"__global const float *xy_ptr,\n"
"__global const float *x_ptr, __global const float *y_ptr,\n"
"int w, int h, int ws, int hs, int num_inner_iter,\n"
"__global float2 *S_ptr)\n"
"{\n"
"int js = get_global_id(0);\n"
"int is = get_global_id(1);\n"
"int i = is * DIS_PATCH_STRIDE;\n"
"int j = js * DIS_PATCH_STRIDE;\n"
"const int psz = DIS_PATCH_SIZE;\n"
"int w_ext = w + 2 * DIS_BORDER_SIZE;\n"
"int index = is * ws + js;\n"
"if (js >= ws || is >= hs) return;\n"
"float2 U0 = S_ptr[index];\n"
"float2 cur_U = U0;\n"
"float cur_xx = xx_ptr[index];\n"
"float cur_yy = yy_ptr[index];\n"
"float cur_xy = xy_ptr[index];\n"
"float detH = cur_xx * cur_yy - cur_xy * cur_xy;\n"
"float inv_detH = (fabs(detH) < EPS) ? 1.0 / EPS : 1.0 / detH;\n"
"float invH11 = cur_yy * inv_detH;\n"
"float invH12 = -cur_xy * inv_detH;\n"
"float invH22 = cur_xx * inv_detH;\n"
"float prev_SSD = INF;\n"
"float x_grad_sum = x_ptr[index];\n"
"float y_grad_sum = y_ptr[index];\n"
"const float i_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"const float i_upper_limit = DIS_BORDER_SIZE + h - 1.0f;\n"
"const float j_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"const float j_upper_limit = DIS_BORDER_SIZE + w - 1.0f;\n"
"for (int t = 0; t < num_inner_iter; t++)\n"
"{\n"
"float i_I1, j_I1, w00, w01, w10, w11;\n"
"INIT_BILINEAR_WEIGHTS(cur_U.x, cur_U.y);\n"
"float4 res = processPatchMeanNorm(\n"
"I0_ptr  + i * w + j, I1_ptr + (int)i_I1 * w_ext + (int)j_I1,\n"
"I0x_ptr + i * w + j, I0y_ptr + i * w + j,\n"
"w, w_ext, w00, w01, w10, w11,\n"
"x_grad_sum, y_grad_sum);\n"
"float SSD = res.x;\n"
"float dUx = res.y;\n"
"float dUy = res.z;\n"
"float dx = invH11 * dUx + invH12 * dUy;\n"
"float dy = invH12 * dUx + invH22 * dUy;\n"
"cur_U -= (float2)(dx, dy);\n"
"if (SSD >= prev_SSD)\n"
"break;\n"
"prev_SSD = SSD;\n"
"}\n"
"float2 vec = cur_U - U0;\n"
"S_ptr[index] = (dot(vec, vec) <= (float)(DIS_PATCH_SIZE * DIS_PATCH_SIZE)) ? cur_U : U0;\n"
"}\n"
"__attribute__((reqd_work_group_size(8, 1, 1)))\n"
"__kernel void dis_patch_inverse_search_bwd_1(__global const uchar *I0_ptr, __global const uchar *I1_ptr,\n"
"int w, int h, int ws, int hs,\n"
"__global float2 *S_ptr)\n"
"{\n"
"int id = get_global_id(0);\n"
"int is = get_group_id(0);\n"
"is = (hs - 1 - is);\n"
"int i = is * DIS_PATCH_STRIDE;\n"
"int j = (ws - 2) * DIS_PATCH_STRIDE;\n"
"const int w_ext = w + 2 * DIS_BORDER_SIZE;\n"
"const float i_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"const float i_upper_limit = DIS_BORDER_SIZE + h - 1.0f;\n"
"const float j_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"const float j_upper_limit = DIS_BORDER_SIZE + w - 1.0f;\n"
"#ifdef CV_USE_SUBGROUPS\n"
"int sid = get_sub_group_local_id();\n"
"#define EXTRA_ARGS_computeSSDMeanNorm sid\n"
"#else\n"
"__local float2 smem[8];\n"
"int sid = get_local_id(0);\n"
"#define EXTRA_ARGS_computeSSDMeanNorm sid, smem\n"
"#endif\n"
"for (int js = (ws - 2); js > -1; js--, j -= DIS_PATCH_STRIDE)\n"
"{\n"
"float2 U0 = S_ptr[is * ws + js];\n"
"float2 U1 = S_ptr[is * ws + js + 1];\n"
"float i_I1, j_I1, w00, w01, w10, w11;\n"
"INIT_BILINEAR_WEIGHTS(U0.x, U0.y);\n"
"float min_SSD = computeSSDMeanNorm(\n"
"I0_ptr + i * w + j, I1_ptr + (int)i_I1 * w_ext + (int)j_I1,\n"
"w, w_ext, w00, w01, w10, w11, EXTRA_ARGS_computeSSDMeanNorm);\n"
"INIT_BILINEAR_WEIGHTS(U1.x, U1.y);\n"
"float cur_SSD = computeSSDMeanNorm(\n"
"I0_ptr + i * w + j, I1_ptr + (int)i_I1 * w_ext + (int)j_I1,\n"
"w, w_ext, w00, w01, w10, w11, EXTRA_ARGS_computeSSDMeanNorm);\n"
"S_ptr[is * ws + js] = (cur_SSD < min_SSD) ? U1 : U0;\n"
"}\n"
"#undef EXTRA_ARGS_computeSSDMeanNorm\n"
"}\n"
"__kernel void dis_patch_inverse_search_bwd_2(__global const uchar *I0_ptr, __global const uchar *I1_ptr,\n"
"__global const short *I0x_ptr, __global const short *I0y_ptr,\n"
"__global const float *xx_ptr, __global const float *yy_ptr,\n"
"__global const float *xy_ptr,\n"
"__global const float *x_ptr, __global const float *y_ptr,\n"
"int w, int h, int ws, int hs, int num_inner_iter,\n"
"__global float2 *S_ptr)\n"
"{\n"
"int js = get_global_id(0);\n"
"int is = get_global_id(1);\n"
"if (js >= ws || is >= hs) return;\n"
"js = (ws - 1 - js);\n"
"is = (hs - 1 - is);\n"
"int j = js * DIS_PATCH_STRIDE;\n"
"int i = is * DIS_PATCH_STRIDE;\n"
"int w_ext = w + 2 * DIS_BORDER_SIZE;\n"
"int index = is * ws + js;\n"
"float2 U0 = S_ptr[index];\n"
"float2 cur_U = U0;\n"
"float cur_xx = xx_ptr[index];\n"
"float cur_yy = yy_ptr[index];\n"
"float cur_xy = xy_ptr[index];\n"
"float detH = cur_xx * cur_yy - cur_xy * cur_xy;\n"
"float inv_detH = (fabs(detH) < EPS) ? 1.0 / EPS : 1.0 / detH;\n"
"float invH11 = cur_yy * inv_detH;\n"
"float invH12 = -cur_xy * inv_detH;\n"
"float invH22 = cur_xx * inv_detH;\n"
"float prev_SSD = INF;\n"
"float x_grad_sum = x_ptr[index];\n"
"float y_grad_sum = y_ptr[index];\n"
"const float i_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"const float i_upper_limit = DIS_BORDER_SIZE + h - 1.0f;\n"
"const float j_lower_limit = DIS_BORDER_SIZE - DIS_PATCH_SIZE + 1.0f;\n"
"const float j_upper_limit = DIS_BORDER_SIZE + w - 1.0f;\n"
"for (int t = 0; t < num_inner_iter; t++)\n"
"{\n"
"float i_I1, j_I1, w00, w01, w10, w11;\n"
"INIT_BILINEAR_WEIGHTS(cur_U.x, cur_U.y);\n"
"float4 res = processPatchMeanNorm(\n"
"I0_ptr  + i * w + j, I1_ptr + (int)i_I1 * w_ext + (int)j_I1,\n"
"I0x_ptr + i * w + j, I0y_ptr + i * w + j,\n"
"w, w_ext, w00, w01, w10, w11,\n"
"x_grad_sum, y_grad_sum);\n"
"float SSD = res.x;\n"
"float dUx = res.y;\n"
"float dUy = res.z;\n"
"float dx = invH11 * dUx + invH12 * dUy;\n"
"float dy = invH12 * dUx + invH22 * dUy;\n"
"cur_U -= (float2)(dx, dy);\n"
"if (SSD >= prev_SSD)\n"
"break;\n"
"prev_SSD = SSD;\n"
"}\n"
"float2 vec = cur_U - U0;\n"
"S_ptr[index] = ((dot(vec, vec)) <= (float)(DIS_PATCH_SIZE * DIS_PATCH_SIZE)) ? cur_U : U0;\n"
"}\n"
"#endif\n"
, "39015c9b775dfd3350237f6206822f49", NULL};
struct cv::ocl::internal::ProgramEntry optical_flow_farneback_oclsrc={moduleName, "optical_flow_farneback",
"#define tx  (int)get_local_id(0)\n"
"#define ty  get_local_id(1)\n"
"#define bx  get_group_id(0)\n"
"#define bdx (int)get_local_size(0)\n"
"#define BORDER_SIZE 5\n"
"#define MAX_KSIZE_HALF 100\n"
"#ifndef polyN\n"
"#define polyN 5\n"
"#endif\n"
"#if USE_DOUBLE\n"
"#ifdef cl_amd_fp64\n"
"#pragma OPENCL EXTENSION cl_amd_fp64:enable\n"
"#elif defined (cl_khr_fp64)\n"
"#pragma OPENCL EXTENSION cl_khr_fp64:enable\n"
"#endif\n"
"#define TYPE double\n"
"#define VECTYPE double4\n"
"#else\n"
"#define TYPE float\n"
"#define VECTYPE float4\n"
"#endif\n"
"__kernel void polynomialExpansion(__global __const float * src, int srcStep,\n"
"__global float * dst, int dstStep,\n"
"const int rows, const  int cols,\n"
"__global __const float * c_g,\n"
"__global __const float * c_xg,\n"
"__global __const float * c_xxg,\n"
"__local float * smem,\n"
"const VECTYPE ig)\n"
"{\n"
"const int y = get_global_id(1);\n"
"const int x = bx * (bdx - 2*polyN) + tx - polyN;\n"
"int xWarped;\n"
"__local float *row = smem + tx;\n"
"if (y < rows && y >= 0)\n"
"{\n"
"xWarped = min(max(x, 0), cols - 1);\n"
"row[0] = src[mad24(y, srcStep, xWarped)] * c_g[0];\n"
"row[bdx] = 0.f;\n"
"row[2*bdx] = 0.f;\n"
"#pragma unroll\n"
"for (int k = 1; k <= polyN; ++k)\n"
"{\n"
"float t0 = src[mad24(max(y - k, 0), srcStep, xWarped)];\n"
"float t1 = src[mad24(min(y + k, rows - 1), srcStep, xWarped)];\n"
"row[0] += c_g[k] * (t0 + t1);\n"
"row[bdx] += c_xg[k] * (t1 - t0);\n"
"row[2*bdx] += c_xxg[k] * (t0 + t1);\n"
"}\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (y < rows && y >= 0 && tx >= polyN && tx + polyN < bdx && x < cols)\n"
"{\n"
"TYPE b1 = c_g[0] * row[0];\n"
"TYPE b3 = c_g[0] * row[bdx];\n"
"TYPE b5 = c_g[0] * row[2*bdx];\n"
"TYPE b2 = 0, b4 = 0, b6 = 0;\n"
"#pragma unroll\n"
"for (int k = 1; k <= polyN; ++k)\n"
"{\n"
"b1 += (row[k] + row[-k]) * c_g[k];\n"
"b4 += (row[k] + row[-k]) * c_xxg[k];\n"
"b2 += (row[k] - row[-k]) * c_xg[k];\n"
"b3 += (row[k + bdx] + row[-k + bdx]) * c_g[k];\n"
"b6 += (row[k + bdx] - row[-k + bdx]) * c_xg[k];\n"
"b5 += (row[k + 2*bdx] + row[-k + 2*bdx]) * c_g[k];\n"
"}\n"
"dst[mad24(y, dstStep, xWarped)] = (float)(b3*ig.s0);\n"
"dst[mad24(rows + y, dstStep, xWarped)] = (float)(b2*ig.s0);\n"
"dst[mad24(2*rows + y, dstStep, xWarped)] = (float)(b1*ig.s1 + b5*ig.s2);\n"
"dst[mad24(3*rows + y, dstStep, xWarped)] = (float)(b1*ig.s1 + b4*ig.s2);\n"
"dst[mad24(4*rows + y, dstStep, xWarped)] = (float)(b6*ig.s3);\n"
"}\n"
"}\n"
"inline int idx_row_low(const int y, const int last_row)\n"
"{\n"
"return abs(y) % (last_row + 1);\n"
"}\n"
"inline int idx_row_high(const int y, const int last_row)\n"
"{\n"
"return abs(last_row - abs(last_row - y)) % (last_row + 1);\n"
"}\n"
"inline int idx_col_low(const int x, const int last_col)\n"
"{\n"
"return abs(x) % (last_col + 1);\n"
"}\n"
"inline int idx_col_high(const int x, const int last_col)\n"
"{\n"
"return abs(last_col - abs(last_col - x)) % (last_col + 1);\n"
"}\n"
"inline int idx_col(const int x, const int last_col)\n"
"{\n"
"return idx_col_low(idx_col_high(x, last_col), last_col);\n"
"}\n"
"__kernel void gaussianBlur(__global const float * src, int srcStep,\n"
"__global float * dst, int dstStep, const int rows, const  int cols,\n"
"__global const float * c_gKer, const int ksizeHalf,\n"
"__local float * smem)\n"
"{\n"
"const int y = get_global_id(1);\n"
"const int x = get_global_id(0);\n"
"__local float *row = smem + ty * (bdx + 2*ksizeHalf);\n"
"if (y < rows)\n"
"{\n"
"for (int i = tx; i < bdx + 2*ksizeHalf; i += bdx)\n"
"{\n"
"int xExt = (int)(bx * bdx) + i - ksizeHalf;\n"
"xExt = idx_col(xExt, cols - 1);\n"
"row[i] = src[mad24(y, srcStep, xExt)] * c_gKer[0];\n"
"for (int j = 1; j <= ksizeHalf; ++j)\n"
"row[i] += (src[mad24(idx_row_low(y - j, rows - 1), srcStep, xExt)]\n"
"+ src[mad24(idx_row_high(y + j, rows - 1), srcStep, xExt)]) * c_gKer[j];\n"
"}\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (y < rows && y >= 0 && x < cols && x >= 0)\n"
"{\n"
"row += tx + ksizeHalf;\n"
"float res = row[0] * c_gKer[0];\n"
"for (int i = 1; i <= ksizeHalf; ++i)\n"
"res += (row[-i] + row[i]) * c_gKer[i];\n"
"dst[mad24(y, dstStep, x)] = res;\n"
"}\n"
"}\n"
"__kernel void gaussianBlur5(__global const float * src, int srcStep,\n"
"__global float * dst, int dstStep,\n"
"const int rows, const  int cols,\n"
"__global const float * c_gKer, const int ksizeHalf,\n"
"__local float * smem)\n"
"{\n"
"const int y = get_global_id(1);\n"
"const int x = get_global_id(0);\n"
"const int smw = bdx + 2*ksizeHalf;\n"
"__local volatile float *row = smem + 5 * ty * smw;\n"
"if (y < rows)\n"
"{\n"
"for (int i = tx; i < bdx + 2*ksizeHalf; i += bdx)\n"
"{\n"
"int xExt = (int)(bx * bdx) + i - ksizeHalf;\n"
"xExt = idx_col(xExt, cols - 1);\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"row[k*smw + i] = src[mad24(k*rows + y, srcStep, xExt)] * c_gKer[0];\n"
"for (int j = 1; j <= ksizeHalf; ++j)\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"row[k*smw + i] +=\n"
"(src[mad24(k*rows + idx_row_low(y - j, rows - 1), srcStep, xExt)] +\n"
"src[mad24(k*rows + idx_row_high(y + j, rows - 1), srcStep, xExt)]) * c_gKer[j];\n"
"}\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (y < rows && y >= 0 && x < cols && x >= 0)\n"
"{\n"
"row += tx + ksizeHalf;\n"
"float res[5];\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"res[k] = row[k*smw] * c_gKer[0];\n"
"for (int i = 1; i <= ksizeHalf; ++i)\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"res[k] += (row[k*smw - i] + row[k*smw + i]) * c_gKer[i];\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"dst[mad24(k*rows + y, dstStep, x)] = res[k];\n"
"}\n"
"}\n"
"__constant float c_border[BORDER_SIZE + 1] = { 0.14f, 0.14f, 0.4472f, 0.4472f, 0.4472f, 1.f };\n"
"__kernel void updateMatrices(__global const float * flowx, int xStep,\n"
"__global const float * flowy, int yStep,\n"
"const int rows, const int cols,\n"
"__global const float * R0, int R0Step,\n"
"__global const float * R1, int R1Step,\n"
"__global float * M, int mStep)\n"
"{\n"
"const int y = get_global_id(1);\n"
"const int x = get_global_id(0);\n"
"if (y < rows && y >= 0 && x < cols && x >= 0)\n"
"{\n"
"float dx = flowx[mad24(y, xStep, x)];\n"
"float dy = flowy[mad24(y, yStep, x)];\n"
"float fx = x + dx;\n"
"float fy = y + dy;\n"
"int x1 = convert_int(floor(fx));\n"
"int y1 = convert_int(floor(fy));\n"
"fx -= x1;\n"
"fy -= y1;\n"
"float r2, r3, r4, r5, r6;\n"
"if (x1 >= 0 && y1 >= 0 && x1 < cols - 1 && y1 < rows - 1)\n"
"{\n"
"float a00 = (1.f - fx) * (1.f - fy);\n"
"float a01 = fx * (1.f - fy);\n"
"float a10 = (1.f - fx) * fy;\n"
"float a11 = fx * fy;\n"
"r2 = a00 * R1[mad24(y1, R1Step, x1)] +\n"
"a01 * R1[mad24(y1, R1Step, x1 + 1)] +\n"
"a10 * R1[mad24(y1 + 1, R1Step, x1)] +\n"
"a11 * R1[mad24(y1 + 1, R1Step, x1 + 1)];\n"
"r3 = a00 * R1[mad24(rows + y1, R1Step, x1)] +\n"
"a01 * R1[mad24(rows + y1, R1Step, x1 + 1)] +\n"
"a10 * R1[mad24(rows + y1 + 1, R1Step, x1)] +\n"
"a11 * R1[mad24(rows + y1 + 1, R1Step, x1 + 1)];\n"
"r4 = a00 * R1[mad24(2*rows + y1, R1Step, x1)] +\n"
"a01 * R1[mad24(2*rows + y1, R1Step, x1 + 1)] +\n"
"a10 * R1[mad24(2*rows + y1 + 1, R1Step, x1)] +\n"
"a11 * R1[mad24(2*rows + y1 + 1, R1Step, x1 + 1)];\n"
"r5 = a00 * R1[mad24(3*rows + y1, R1Step, x1)] +\n"
"a01 * R1[mad24(3*rows + y1, R1Step, x1 + 1)] +\n"
"a10 * R1[mad24(3*rows + y1 + 1, R1Step, x1)] +\n"
"a11 * R1[mad24(3*rows + y1 + 1, R1Step, x1 + 1)];\n"
"r6 = a00 * R1[mad24(4*rows + y1, R1Step, x1)] +\n"
"a01 * R1[mad24(4*rows + y1, R1Step, x1 + 1)] +\n"
"a10 * R1[mad24(4*rows + y1 + 1, R1Step, x1)] +\n"
"a11 * R1[mad24(4*rows + y1 + 1, R1Step, x1 + 1)];\n"
"r4 = (R0[mad24(2*rows + y, R0Step, x)] + r4) * 0.5f;\n"
"r5 = (R0[mad24(3*rows + y, R0Step, x)] + r5) * 0.5f;\n"
"r6 = (R0[mad24(4*rows + y, R0Step, x)] + r6) * 0.25f;\n"
"}\n"
"else\n"
"{\n"
"r2 = r3 = 0.f;\n"
"r4 = R0[mad24(2*rows + y, R0Step, x)];\n"
"r5 = R0[mad24(3*rows + y, R0Step, x)];\n"
"r6 = R0[mad24(4*rows + y, R0Step, x)] * 0.5f;\n"
"}\n"
"r2 = (R0[mad24(y, R0Step, x)] - r2) * 0.5f;\n"
"r3 = (R0[mad24(rows + y, R0Step, x)] - r3) * 0.5f;\n"
"r2 += r4*dy + r6*dx;\n"
"r3 += r6*dy + r5*dx;\n"
"float scale =\n"
"c_border[min(x, BORDER_SIZE)] *\n"
"c_border[min(y, BORDER_SIZE)] *\n"
"c_border[min(cols - x - 1, BORDER_SIZE)] *\n"
"c_border[min(rows - y - 1, BORDER_SIZE)];\n"
"r2 *= scale;\n"
"r3 *= scale;\n"
"r4 *= scale;\n"
"r5 *= scale;\n"
"r6 *= scale;\n"
"M[mad24(y, mStep, x)] = r4*r4 + r6*r6;\n"
"M[mad24(rows + y, mStep, x)] = (r4 + r5)*r6;\n"
"M[mad24(2*rows + y, mStep, x)] = r5*r5 + r6*r6;\n"
"M[mad24(3*rows + y, mStep, x)] = r4*r2 + r6*r3;\n"
"M[mad24(4*rows + y, mStep, x)] = r6*r2 + r5*r3;\n"
"}\n"
"}\n"
"__kernel void boxFilter5(__global const float * src, int srcStep,\n"
"__global float * dst, int dstStep,\n"
"const int rows, const  int cols,\n"
"const int ksizeHalf,\n"
"__local float * smem)\n"
"{\n"
"const int y = get_global_id(1);\n"
"const int x = get_global_id(0);\n"
"const float boxAreaInv = 1.f / ((1 + 2*ksizeHalf) * (1 + 2*ksizeHalf));\n"
"const int smw = bdx + 2*ksizeHalf;\n"
"__local float *row = smem + 5 * ty * smw;\n"
"if (y < rows)\n"
"{\n"
"for (int i = tx; i < bdx + 2*ksizeHalf; i += bdx)\n"
"{\n"
"int xExt = (int)(bx * bdx) + i - ksizeHalf;\n"
"xExt = min(max(xExt, 0), cols - 1);\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"row[k*smw + i] = src[mad24(k*rows + y, srcStep, xExt)];\n"
"for (int j = 1; j <= ksizeHalf; ++j)\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"row[k*smw + i] +=\n"
"src[mad24(k*rows + max(y - j, 0), srcStep, xExt)] +\n"
"src[mad24(k*rows + min(y + j, rows - 1), srcStep, xExt)];\n"
"}\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (y < rows && y >= 0 && x < cols && x >= 0)\n"
"{\n"
"row += tx + ksizeHalf;\n"
"float res[5];\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"res[k] = row[k*smw];\n"
"for (int i = 1; i <= ksizeHalf; ++i)\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"res[k] += row[k*smw - i] + row[k*smw + i];\n"
"#pragma unroll\n"
"for (int k = 0; k < 5; ++k)\n"
"dst[mad24(k*rows + y, dstStep, x)] = res[k] * boxAreaInv;\n"
"}\n"
"}\n"
"__kernel void updateFlow(__global const float * M, int mStep,\n"
"__global float * flowx, int xStep,\n"
"__global float * flowy, int yStep,\n"
"const int rows, const int cols)\n"
"{\n"
"const int y = get_global_id(1);\n"
"const int x = get_global_id(0);\n"
"if (y < rows && y >= 0 && x < cols && x >= 0)\n"
"{\n"
"float g11 = M[mad24(y, mStep, x)];\n"
"float g12 = M[mad24(rows + y, mStep, x)];\n"
"float g22 = M[mad24(2*rows + y, mStep, x)];\n"
"float h1 =  M[mad24(3*rows + y, mStep, x)];\n"
"float h2 =  M[mad24(4*rows + y, mStep, x)];\n"
"float detInv = 1.f / (g11*g22 - g12*g12 + 1e-3f);\n"
"flowx[mad24(y, xStep, x)] = (g11*h2 - g12*h1) * detInv;\n"
"flowy[mad24(y, yStep, x)] = (g22*h1 - g12*h2) * detInv;\n"
"}\n"
"}\n"
, "529300e6242f574f83d11a089cc120c0", NULL};
struct cv::ocl::internal::ProgramEntry pyrlk_oclsrc={moduleName, "pyrlk",
"#define GRIDSIZE    3\n"
"#define LSx 8\n"
"#define LSy 8\n"
"#define LM_W (LSx*GRIDSIZE+2)\n"
"#define LM_H (LSy*GRIDSIZE+2)\n"
"#define BUFFER  (LSx*LSy)\n"
"#define BUFFER2 BUFFER>>1\n"
"#ifdef CPU\n"
"inline void reduce3(float val1, float val2, float val3,  __local float* smem1,  __local float* smem2,  __local float* smem3, int tid)\n"
"{\n"
"smem1[tid] = val1;\n"
"smem2[tid] = val2;\n"
"smem3[tid] = val3;\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"for(int i = BUFFER2; i > 0; i >>= 1)\n"
"{\n"
"if(tid < i)\n"
"{\n"
"smem1[tid] += smem1[tid + i];\n"
"smem2[tid] += smem2[tid + i];\n"
"smem3[tid] += smem3[tid + i];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"}\n"
"}\n"
"inline void reduce2(float val1, float val2, __local float* smem1, __local float* smem2, int tid)\n"
"{\n"
"smem1[tid] = val1;\n"
"smem2[tid] = val2;\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"for(int i = BUFFER2; i > 0; i >>= 1)\n"
"{\n"
"if(tid < i)\n"
"{\n"
"smem1[tid] += smem1[tid + i];\n"
"smem2[tid] += smem2[tid + i];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"}\n"
"}\n"
"inline void reduce1(float val1, __local float* smem1, int tid)\n"
"{\n"
"smem1[tid] = val1;\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"for(int i = BUFFER2; i > 0; i >>= 1)\n"
"{\n"
"if(tid < i)\n"
"{\n"
"smem1[tid] += smem1[tid + i];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"}\n"
"}\n"
"#else\n"
"inline void reduce3(float val1, float val2, float val3,\n"
"__local float* smem1, __local float* smem2, __local float* smem3, int tid)\n"
"{\n"
"smem1[tid] = val1;\n"
"smem2[tid] = val2;\n"
"smem3[tid] = val3;\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 32)\n"
"{\n"
"smem1[tid] += smem1[tid + 32];\n"
"smem2[tid] += smem2[tid + 32];\n"
"smem3[tid] += smem3[tid + 32];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 16)\n"
"{\n"
"smem1[tid] += smem1[tid + 16];\n"
"smem2[tid] += smem2[tid + 16];\n"
"smem3[tid] += smem3[tid + 16];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 8)\n"
"{\n"
"smem1[tid] += smem1[tid + 8];\n"
"smem2[tid] += smem2[tid + 8];\n"
"smem3[tid] += smem3[tid + 8];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 4)\n"
"{\n"
"smem1[tid] += smem1[tid + 4];\n"
"smem2[tid] += smem2[tid + 4];\n"
"smem3[tid] += smem3[tid + 4];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid == 0)\n"
"{\n"
"smem1[0] = (smem1[0] + smem1[1]) + (smem1[2] + smem1[3]);\n"
"smem2[0] = (smem2[0] + smem2[1]) + (smem2[2] + smem2[3]);\n"
"smem3[0] = (smem3[0] + smem3[1]) + (smem3[2] + smem3[3]);\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"}\n"
"inline void reduce2(float val1, float val2, __local float* smem1, __local float* smem2, int tid)\n"
"{\n"
"smem1[tid] = val1;\n"
"smem2[tid] = val2;\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 32)\n"
"{\n"
"smem1[tid] += smem1[tid + 32];\n"
"smem2[tid] += smem2[tid + 32];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 16)\n"
"{\n"
"smem1[tid] += smem1[tid + 16];\n"
"smem2[tid] += smem2[tid + 16];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 8)\n"
"{\n"
"smem1[tid] += smem1[tid + 8];\n"
"smem2[tid] += smem2[tid + 8];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 4)\n"
"{\n"
"smem1[tid] += smem1[tid + 4];\n"
"smem2[tid] += smem2[tid + 4];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid == 0)\n"
"{\n"
"smem1[0] = (smem1[0] + smem1[1]) + (smem1[2] + smem1[3]);\n"
"smem2[0] = (smem2[0] + smem2[1]) + (smem2[2] + smem2[3]);\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"}\n"
"inline void reduce1(float val1, __local float* smem1, int tid)\n"
"{\n"
"smem1[tid] = val1;\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 32)\n"
"{\n"
"smem1[tid] += smem1[tid + 32];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 16)\n"
"{\n"
"smem1[tid] += smem1[tid + 16];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 8)\n"
"{\n"
"smem1[tid] += smem1[tid + 8];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid < 4)\n"
"{\n"
"smem1[tid] += smem1[tid + 4];\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"if (tid == 0)\n"
"{\n"
"smem1[0] = (smem1[0] + smem1[1]) + (smem1[2] + smem1[3]);\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"}\n"
"#endif\n"
"#define SCALE (1.0f / (1 << 20))\n"
"#define  THRESHOLD  0.01f\n"
"__constant sampler_t sampler    = CLK_NORMALIZED_COORDS_FALSE | CLK_ADDRESS_CLAMP_TO_EDGE | CLK_FILTER_LINEAR;\n"
"#define VAL(_y,_x,_yy,_xx)    (IPatchLocal[mad24(((_y) + (_yy)), LM_W, ((_x) + (_xx)))])\n"
"inline void SetPatch(local float* IPatchLocal, int TileY, int TileX,\n"
"float* Pch, float* Dx, float* Dy,\n"
"float* A11, float* A12, float* A22, float w)\n"
"{\n"
"int xid=get_local_id(0);\n"
"int yid=get_local_id(1);\n"
"int xBase = mad24(TileX, LSx, (xid + 1));\n"
"int yBase = mad24(TileY, LSy, (yid + 1));\n"
"*Pch = VAL(yBase,xBase,0,0);\n"
"*Dx = mad((VAL(yBase,xBase,-1,1) + VAL(yBase,xBase,+1,1) - VAL(yBase,xBase,-1,-1) - VAL(yBase,xBase,+1,-1)), 3.0f, (VAL(yBase,xBase,0,1) - VAL(yBase,xBase,0,-1)) * 10.0f) * w;\n"
"*Dy = mad((VAL(yBase,xBase,1,-1) + VAL(yBase,xBase,1,+1) - VAL(yBase,xBase,-1,-1) - VAL(yBase,xBase,-1,+1)), 3.0f, (VAL(yBase,xBase,1,0) - VAL(yBase,xBase,-1,0)) * 10.0f) * w;\n"
"*A11 = mad(*Dx, *Dx, *A11);\n"
"*A12 = mad(*Dx, *Dy, *A12);\n"
"*A22 = mad(*Dy, *Dy, *A22);\n"
"}\n"
"#undef VAL\n"
"inline void GetPatch(image2d_t J, float x, float y,\n"
"float* Pch, float* Dx, float* Dy,\n"
"float* b1, float* b2)\n"
"{\n"
"float diff = read_imagef(J, sampler, (float2)(x,y)).x-*Pch;\n"
"*b1 = mad(diff, *Dx, *b1);\n"
"*b2 = mad(diff, *Dy, *b2);\n"
"}\n"
"inline void GetError(image2d_t J, const float x, const float y, const float* Pch, float* errval, float w)\n"
"{\n"
"float diff = ((((read_imagef(J, sampler, (float2)(x,y)).x * 16384) + 256) / 512) - (((*Pch * 16384) + 256) /512)) * w;\n"
"*errval += fabs(diff);\n"
"}\n"
"#define READI(_y,_x) IPatchLocal[mad24(mad24((_y), LSy, yid), LM_W, mad24((_x), LSx, xid))] = read_imagef(I, sampler, (float2)(mad((float)(_x), (float)LSx, Point.x + xid - 0.5f), mad((float)(_y), (float)LSy, Point.y + yid - 0.5f))).x;\n"
"void ReadPatchIToLocalMem(image2d_t I, float2 Point, local float* IPatchLocal)\n"
"{\n"
"int xid=get_local_id(0);\n"
"int yid=get_local_id(1);\n"
"READI(0,0);READI(0,1);READI(0,2);\n"
"READI(1,0);READI(1,1);READI(1,2);\n"
"READI(2,0);READI(2,1);READI(2,2);\n"
"if(xid<2)\n"
"{\n"
"READI(0,3);\n"
"READI(1,3);\n"
"READI(2,3);\n"
"}\n"
"if(yid<2)\n"
"{\n"
"READI(3,0);READI(3,1);READI(3,2);\n"
"}\n"
"if(yid<2 && xid<2)\n"
"{\n"
"READI(3,3);\n"
"}\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"}\n"
"#undef READI\n"
"__attribute__((reqd_work_group_size(LSx, LSy, 1)))\n"
"__kernel void lkSparse(image2d_t I, image2d_t J,\n"
"__global const float2* prevPts, __global float2* nextPts, __global uchar* status, __global float* err,\n"
"const int level, const int rows, const int cols, int PATCH_X, int PATCH_Y, int c_winSize_x, int c_winSize_y, int c_iters, char calcErr)\n"
"{\n"
"__local float smem1[BUFFER];\n"
"__local float smem2[BUFFER];\n"
"__local float smem3[BUFFER];\n"
"int xid=get_local_id(0);\n"
"int yid=get_local_id(1);\n"
"int gid=get_group_id(0);\n"
"int xsize=get_local_size(0);\n"
"int ysize=get_local_size(1);\n"
"int k;\n"
"#ifdef CPU\n"
"float wx0 = 1.0f;\n"
"float wy0 = 1.0f;\n"
"int xBase = mad24(xsize, 2, xid);\n"
"int yBase = mad24(ysize, 2, yid);\n"
"float wx1 = (xBase < c_winSize_x) ? 1 : 0;\n"
"float wy1 = (yBase < c_winSize_y) ? 1 : 0;\n"
"#else\n"
"#if WSX == 1\n"
"float wx0 = 1.0f;\n"
"int xBase = mad24(xsize, 2, xid);\n"
"float wx1 = (xBase < c_winSize_x) ? 1 : 0;\n"
"#else\n"
"int xBase = mad24(xsize, 1, xid);\n"
"float wx0 = (xBase < c_winSize_x) ? 1 : 0;\n"
"float wx1 = 0.0f;\n"
"#endif\n"
"#if WSY == 1\n"
"float wy0 = 1.0f;\n"
"int yBase = mad24(ysize, 2, yid);\n"
"float wy1 = (yBase < c_winSize_y) ? 1 : 0;\n"
"#else\n"
"int yBase = mad24(ysize, 1, yid);\n"
"float wy0 = (yBase < c_winSize_y) ? 1 : 0;\n"
"float wy1 = 0.0f;\n"
"#endif\n"
"#endif\n"
"float2 c_halfWin = (float2)((c_winSize_x - 1)>>1, (c_winSize_y - 1)>>1);\n"
"const int tid = mad24(yid, xsize, xid);\n"
"float2 prevPt = prevPts[gid] / (float2)(1 << level);\n"
"if (prevPt.x < 0 || prevPt.x >= cols || prevPt.y < 0 || prevPt.y >= rows)\n"
"{\n"
"if (tid == 0 && level == 0)\n"
"{\n"
"status[gid] = 0;\n"
"}\n"
"return;\n"
"}\n"
"prevPt -= c_halfWin;\n"
"float A11 = 0;\n"
"float A12 = 0;\n"
"float A22 = 0;\n"
"float I_patch[GRIDSIZE][GRIDSIZE];\n"
"float dIdx_patch[GRIDSIZE][GRIDSIZE];\n"
"float dIdy_patch[GRIDSIZE][GRIDSIZE];\n"
"local float IPatchLocal[LM_W*LM_H];\n"
"ReadPatchIToLocalMem(I,prevPt,IPatchLocal);\n"
"{\n"
"SetPatch(IPatchLocal, 0, 0,\n"
"&I_patch[0][0], &dIdx_patch[0][0], &dIdy_patch[0][0],\n"
"&A11, &A12, &A22,1);\n"
"SetPatch(IPatchLocal, 0, 1,\n"
"&I_patch[0][1], &dIdx_patch[0][1], &dIdy_patch[0][1],\n"
"&A11, &A12, &A22,wx0);\n"
"SetPatch(IPatchLocal, 0, 2,\n"
"&I_patch[0][2], &dIdx_patch[0][2], &dIdy_patch[0][2],\n"
"&A11, &A12, &A22,wx1);\n"
"}\n"
"{\n"
"SetPatch(IPatchLocal, 1, 0,\n"
"&I_patch[1][0], &dIdx_patch[1][0], &dIdy_patch[1][0],\n"
"&A11, &A12, &A22,wy0);\n"
"SetPatch(IPatchLocal, 1,1,\n"
"&I_patch[1][1], &dIdx_patch[1][1], &dIdy_patch[1][1],\n"
"&A11, &A12, &A22,wx0*wy0);\n"
"SetPatch(IPatchLocal, 1,2,\n"
"&I_patch[1][2], &dIdx_patch[1][2], &dIdy_patch[1][2],\n"
"&A11, &A12, &A22,wx1*wy0);\n"
"}\n"
"{\n"
"SetPatch(IPatchLocal, 2,0,\n"
"&I_patch[2][0], &dIdx_patch[2][0], &dIdy_patch[2][0],\n"
"&A11, &A12, &A22,wy1);\n"
"SetPatch(IPatchLocal, 2,1,\n"
"&I_patch[2][1], &dIdx_patch[2][1], &dIdy_patch[2][1],\n"
"&A11, &A12, &A22,wx0*wy1);\n"
"SetPatch(IPatchLocal, 2,2,\n"
"&I_patch[2][2], &dIdx_patch[2][2], &dIdy_patch[2][2],\n"
"&A11, &A12, &A22,wx1*wy1);\n"
"}\n"
"reduce3(A11, A12, A22, smem1, smem2, smem3, tid);\n"
"A11 = smem1[0];\n"
"A12 = smem2[0];\n"
"A22 = smem3[0];\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"float D = mad(A11, A22, - A12 * A12);\n"
"if (D < 1.192092896e-07f)\n"
"{\n"
"if (tid == 0 && level == 0)\n"
"status[gid] = 0;\n"
"return;\n"
"}\n"
"A11 /= D;\n"
"A12 /= D;\n"
"A22 /= D;\n"
"prevPt = mad(nextPts[gid], 2.0f, - c_halfWin);\n"
"float2 offset0 = (float2)(xid + 0.5f, yid + 0.5f);\n"
"float2 offset1 = (float2)(xsize, ysize);\n"
"float2 loc0 = prevPt + offset0;\n"
"float2 loc1 = loc0 + offset1;\n"
"float2 loc2 = loc1 + offset1;\n"
"for (k = 0; k < c_iters; ++k)\n"
"{\n"
"if (prevPt.x < -c_halfWin.x || prevPt.x >= cols || prevPt.y < -c_halfWin.y || prevPt.y >= rows)\n"
"{\n"
"if (tid == 0 && level == 0)\n"
"status[gid] = 0;\n"
"break;\n"
"}\n"
"float b1 = 0;\n"
"float b2 = 0;\n"
"{\n"
"GetPatch(J, loc0.x, loc0.y,\n"
"&I_patch[0][0], &dIdx_patch[0][0], &dIdy_patch[0][0],\n"
"&b1, &b2);\n"
"GetPatch(J, loc1.x, loc0.y,\n"
"&I_patch[0][1], &dIdx_patch[0][1], &dIdy_patch[0][1],\n"
"&b1, &b2);\n"
"GetPatch(J, loc2.x, loc0.y,\n"
"&I_patch[0][2], &dIdx_patch[0][2], &dIdy_patch[0][2],\n"
"&b1, &b2);\n"
"}\n"
"{\n"
"GetPatch(J, loc0.x, loc1.y,\n"
"&I_patch[1][0], &dIdx_patch[1][0], &dIdy_patch[1][0],\n"
"&b1, &b2);\n"
"GetPatch(J, loc1.x, loc1.y,\n"
"&I_patch[1][1], &dIdx_patch[1][1], &dIdy_patch[1][1],\n"
"&b1, &b2);\n"
"GetPatch(J, loc2.x, loc1.y,\n"
"&I_patch[1][2], &dIdx_patch[1][2], &dIdy_patch[1][2],\n"
"&b1, &b2);\n"
"}\n"
"{\n"
"GetPatch(J, loc0.x, loc2.y,\n"
"&I_patch[2][0], &dIdx_patch[2][0], &dIdy_patch[2][0],\n"
"&b1, &b2);\n"
"GetPatch(J, loc1.x, loc2.y,\n"
"&I_patch[2][1], &dIdx_patch[2][1], &dIdy_patch[2][1],\n"
"&b1, &b2);\n"
"GetPatch(J, loc2.x, loc2.y,\n"
"&I_patch[2][2], &dIdx_patch[2][2], &dIdy_patch[2][2],\n"
"&b1, &b2);\n"
"}\n"
"reduce2(b1, b2, smem1, smem2, tid);\n"
"b1 = smem1[0];\n"
"b2 = smem2[0];\n"
"barrier(CLK_LOCAL_MEM_FENCE);\n"
"float2 delta;\n"
"delta.x = mad(A12, b2, - A22 * b1) * 32.0f;\n"
"delta.y = mad(A12, b1, - A11 * b2) * 32.0f;\n"
"prevPt += delta;\n"
"loc0 += delta;\n"
"loc1 += delta;\n"
"loc2 += delta;\n"
"if (fabs(delta.x) < THRESHOLD && fabs(delta.y) < THRESHOLD)\n"
"break;\n"
"}\n"
"D = 0.0f;\n"
"if (calcErr)\n"
"{\n"
"{\n"
"GetError(J, loc0.x, loc0.y, &I_patch[0][0], &D, 1);\n"
"GetError(J, loc1.x, loc0.y, &I_patch[0][1], &D, wx0);\n"
"}\n"
"{\n"
"GetError(J, loc0.x, loc1.y, &I_patch[1][0], &D, wy0);\n"
"GetError(J, loc1.x, loc1.y, &I_patch[1][1], &D, wx0*wy0);\n"
"}\n"
"if(xBase < c_winSize_x)\n"
"{\n"
"GetError(J, loc2.x, loc0.y, &I_patch[0][2], &D, wx1);\n"
"GetError(J, loc2.x, loc1.y, &I_patch[1][2], &D, wx1*wy0);\n"
"}\n"
"if(yBase < c_winSize_y)\n"
"{\n"
"GetError(J, loc0.x, loc2.y, &I_patch[2][0], &D, wy1);\n"
"GetError(J, loc1.x, loc2.y, &I_patch[2][1], &D, wx0*wy1);\n"
"if(xBase < c_winSize_x)\n"
"GetError(J, loc2.x, loc2.y, &I_patch[2][2], &D, wx1*wy1);\n"
"}\n"
"reduce1(D, smem1, tid);\n"
"}\n"
"if (tid == 0)\n"
"{\n"
"prevPt += c_halfWin;\n"
"nextPts[gid] = prevPt;\n"
"if (calcErr)\n"
"err[gid] = smem1[0] / (float)(32 * c_winSize_x * c_winSize_y);\n"
"}\n"
"}\n"
, "fa578a4fdcd31c3e32eedab3e323ac05", NULL};

}}}
#endif